package com.wisdomstar.system.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.wisdomstar.system.domain.SysPost;
import com.wisdomstar.system.domain.SysUserPost;
import com.wisdomstar.system.service.ISysPostService;
import com.wisdomstar.common.constant.UserConstants;
import com.wisdomstar.common.exception.ServiceException;
import com.wisdomstar.common.utils.StringUtils;
import com.wisdomstar.system.mapper.SysPostMapper;
import com.wisdomstar.system.mapper.SysUserPostMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.Arrays;
import java.util.List;

/**
 * 岗位信息 服务层处理
 * 
 * @author RinMi
 */
@Service
public class SysPostServiceImpl extends ServiceImpl<SysPostMapper, SysPost> implements ISysPostService
{
    private final SysPostMapper postMapper;

    private final SysUserPostMapper userPostMapper;

    @Autowired
    public SysPostServiceImpl(SysPostMapper postMapper, SysUserPostMapper userPostMapper) {
        this.postMapper = postMapper;
        this.userPostMapper = userPostMapper;
    }

    /**
     * 查询岗位信息集合
     * 
     * @param post 岗位信息
     * @return 岗位信息集合
     */
    @Override
    public List<SysPost> selectPostList(SysPost post)
    {
        LambdaQueryWrapper<SysPost> lambdaQueryWrap = new LambdaQueryWrapper<>();
        lambdaQueryWrap.like(StringUtils.isNotEmpty(post.getPostCode()), SysPost::getPostCode, post.getPostCode());
        lambdaQueryWrap.eq(StringUtils.isNotEmpty(post.getStatus()), SysPost::getStatus, post.getStatus());
        lambdaQueryWrap.like(StringUtils.isNotEmpty(post.getPostName()), SysPost::getPostName, post.getPostName());
        return postMapper.selectList(lambdaQueryWrap);
    }

    /**
     * 查询所有岗位
     * 
     * @return 岗位列表
     */
    @Override
    public List<SysPost> selectPostAll()
    {
        return postMapper.selectList(null);
    }

    /**
     * 通过岗位ID查询岗位信息
     * 
     * @param postId 岗位ID
     * @return 角色对象信息
     */
    @Override
    public SysPost selectPostById(Long postId)
    {
        return postMapper.selectById(postId);
    }

    /**
     * 根据用户ID获取岗位选择框列表
     * 
     * @param userId 用户ID
     * @return 选中岗位ID列表
     */
    @Override
    public List<Long> selectPostListByUserId(Long userId)
    {
        return postMapper.selectPostListByUserId(userId);
    }

    /**
     * 校验岗位名称是否唯一
     * 
     * @param post 岗位信息
     * @return 结果
     */
    @Override
    public String checkPostNameUnique(SysPost post)
    {
        long postId = StringUtils.isNull(post.getPostId()) ? -1L : post.getPostId();

        LambdaQueryWrapper<SysPost> lambdaQueryWrap = new LambdaQueryWrapper<>();
        lambdaQueryWrap.eq(SysPost::getPostName, post.getPostName());
        SysPost info = postMapper.selectOne(lambdaQueryWrap);

        if (StringUtils.isNotNull(info) && info.getPostId() != postId)
        {
            return UserConstants.NOT_UNIQUE;
        }
        return UserConstants.UNIQUE;
    }

    /**
     * 校验岗位编码是否唯一
     * 
     * @param post 岗位信息
     * @return 结果
     */
    @Override
    public String checkPostCodeUnique(SysPost post)
    {
        long postId = StringUtils.isNull(post.getPostId()) ? -1L : post.getPostId();

        LambdaQueryWrapper<SysPost> lambdaQueryWrap = new LambdaQueryWrapper<>();
        lambdaQueryWrap.eq(SysPost::getPostCode, post.getPostCode());
        SysPost info = postMapper.selectOne(lambdaQueryWrap);

        if (StringUtils.isNotNull(info) && info.getPostId() != postId)
        {
            return UserConstants.NOT_UNIQUE;
        }
        return UserConstants.UNIQUE;
    }

    /**
     * 通过岗位ID查询岗位使用数量
     * 
     * @param postId 岗位ID
     * @return 结果
     */
    @Override
    public Long countUserPostById(Long postId)
    {
        LambdaQueryWrapper<SysUserPost> lambdaQueryWrap = new LambdaQueryWrapper<>();
        lambdaQueryWrap.eq(SysUserPost::getPostId, postId);
        return userPostMapper.selectCount(lambdaQueryWrap);
    }

    /**
     * 删除岗位信息
     * 
     * @param postId 岗位ID
     * @return 结果
     */
    @Override
    public int deletePostById(Long postId)
    {
        return postMapper.deleteById(postId);
    }

    /**
     * 批量删除岗位信息
     * 
     * @param postIds 需要删除的岗位ID
     * @return 结果
     */
    @Override
    public int deletePostByIds(Long[] postIds)
    {
        for (Long postId : postIds)
        {
            SysPost post = selectPostById(postId);
            if (countUserPostById(postId) > 0)
            {
                throw new ServiceException(String.format("%1$s已分配,不能删除", post.getPostName()));
            }
        }
        return postMapper.deleteBatchIds(Arrays.asList(postIds));
    }

    /**
     * 新增保存岗位信息
     * 
     * @param post 岗位信息
     * @return 结果
     */
    @Override
    public int insertPost(SysPost post)
    {
        return postMapper.insert(post);
    }

    /**
     * 修改保存岗位信息
     * 
     * @param post 岗位信息
     * @return 结果
     */
    @Override
    public int updatePost(SysPost post)
    {
        return postMapper.updateById(post);
    }
}
